Super Entity & Sub Entity

In this collection of images, the concept of super entities and sub-entities in the context of business education is visually represented. Explore the structures, examples, generalization strategies, and specialization rules associated with this topic. Understand the total and partial specialization aspects along with disjoint rules. Dive into how candidates for sub-entities and super entities are categorized and differentiated in business education.

• Business Education
• Super Entity
• Sub Entity
• Specialization Rules
• Generalization

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Uploaded on Mar 08, 2025 | 0 Views

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Presentation Transcript

1. Super Entity & Sub Entity Super Entity & Sub Entity Yong Choi School of Business CSU, Bakersfield

2. Structure of Super & Sub Entity 1 Structure of Super & Sub Entity 1

3. Example of Super & Sub Entity 1 Example of Super & Sub Entity 1

4. Structure of Super & Sub Entity 2 Structure of Super & Sub Entity 2

5. Example of Super & Sub Entity 1 Example of Super & Sub Entity 1

6. Simple Example of E Simple Example of E- -ERD ERD

7. Generalization (bottom Generalization (bottom- -up strategy) up strategy) Start with candidate sub entities

8. Generalization Generalization (top (top- -down Strategy) down Strategy) Start with candidate Super entity

9. Specialization and Rule Specialization and Rule Specialization Total Specialization Partial Specilization Rule Disjoint Rule Overlap Rule

10. Total Specialization Total Specialization Only two choices with changes: Outpatient to Resident patient or vice versa.

11. Partial Specialization Partial Specialization That is, it cannot be something else (like a motor cycle).

12. Disjoint Rule Disjoint Rule

13. Overlap Rule Overlap Rule